Head-to-Head
Overview
Sonay Kartal and Jule Niemeier have met 1 time so far, all in 2025. Sonay Kartal leads 1–0. Their first encounter was at the 2025 BJK Cup Qualifiers (RR), won by Sonay Kartal.
By surface
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Sonay Kartal and Jule Niemeier have met 1 time so far, all in 2025. Sonay Kartal leads 1–0. Their first encounter was at the 2025 BJK Cup Qualifiers (RR), won by Sonay Kartal.